<div class="translate-operation"> 
	<div class="lang-btn origin fl js-origin"> 
		<div class="in"> 
			<span class="origin-lang">中文</span> <i class="arrow-down"></i> 
		</div> 
	</div>
	<span class="exchange">&#x21cb;</span> 
	<div class="lang-btn target fr js-target"> 
		<div class="in"> 
			<span class="target-lang">英文</span> <i class="arrow-down"></i> 
		</div> 
	</div> 
</div> 
<div class="origin-langs">
 	<div class="iol-btn-expand">展开</div>
 	<ul class="langs-often"></ul>
 	<div class="language-list"></div> 
</div> 
<div class="target-langs">
	<div class="iol-btn-expand">展开</div> 
	<ul class="langs-often"></ul> 
	<div class="language-list"></div>
</div>
	